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. 2020 Dec 3;15:9745–9758. doi: 10.2147/IJN.S268282

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© 2020 Wu et al.

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Characterization of DiR-SPIO-ST2-NP. (A) A diagram representing the synthetized DiR-SPIO-ST2-NP. (B) TEM images indicated that the DiR-SPIO-NPs were core-shell spherical nanoparticles. (C) The PDI of the nanoparticles. (D) Size distribution of the nanoparticles in different media.